US gymnastics legend Mary Lou Retton opens up about DUI arrest after entering no-contest plea

US gymnastics legend Mary Lou Retton opens up about DUI arrest after entering no-contest plea

'I have let you down, and for that I am deeply sorry,' Retton said

Mary Lou Retton in action on the uneven bars at Pauley Pavillon during the 1984 Los Angeles Olympics. (Darr Beiser/USA Today Sports)

Mary Lou Retton performs on the balance beam on her way to becoming the first American woman to win the women's gymnastics individual all-around competition gold medal. (Getty Images)

(L-R) Ecaterina Szabo, Mary Lou Retton and Simona Păucă during the women's gymnastics medal ceremony at Pauley Pavilion at the 1984 Summer Olympics in Los Angeles Aug. 1, 1984. (Disney General Entertainment Content via Getty Images)